程序運行截圖如下：

這里的主要框架為Q3DScatter

首先是設(shè)置范圍，免得隨機生成坐標時，坐標系不停的變：

使用QScatter3DSeries生成一串的item。方便顯示在m_graph中

使用QScatterDataItem進行元素的操作。

邏輯很簡單把

旋轉(zhuǎn)

關(guān)鍵代碼

#include "widget.h" #include "ui_widget.h" #include <QtDataVisualization/QScatter3DSeries> #include <QDebug> #include <QThread> #include <QTime> #include <QTimer> #include <QMessageBox>Widget::Widget(QWidget *parent) :QWidget(parent),ui(new Ui::Widget) {ui->setupUi(this);this->setWindowTitle("CSDN IT1995");m_graph = new Q3DScatter();m_graph->axisX()->setRange(-10, 10);m_graph->axisY()->setRange(-10, 10);m_graph->axisZ()->setRange(-10, 10);QWidget *container = QWidget::createWindowContainer(m_graph);qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));if (!m_graph->hasContext()) {QMessageBox msgBox;msgBox.setText("Couldn't initialize the OpenGL context.");msgBox.exec();return;}//添加數(shù)據(jù)QScatter3DSeries *item = new QScatter3DSeries();item->setMesh(QAbstract3DSeries::MeshUserDefined);item->setUserDefinedMesh(":/img/1cube.obj");m_graph->addSeries(item);//設(shè)置到控件上QHBoxLayout *hLayout = new QHBoxLayout();hLayout->addWidget(container, 1);ui->widget->setLayout(hLayout);//生成線，數(shù)據(jù)：QScatterDataArray *dataArray = new QScatterDataArray;dataArray->resize(5);QScatterDataItem *ptrToDataArray = &dataArray->first();for(int i = 0; i <= dataArray->size(); i++){ptrToDataArray->setPosition(QVector3D(0, i, 0));ptrToDataArray++;}item->dataProxy()->resetArray(dataArray);//讓其隨機移動m_timer = new QTimer(this);connect(m_timer, &QTimer::timeout, [=](){QScatterDataItem *ptr = &dataArray->first();for(int i = 0; i < dataArray->size(); i++){ptr->setPosition(QVector3D(qrand()%8 > 4 ? qrand()%8 : -qrand()%8, qrand()%8 > 4 ? qrand()%8 : -qrand()%8, qrand()%8 > 4 ? qrand()%8 : -qrand()%8));ptr++;}item->dataProxy()->resetArray(dataArray);});m_timer->start(2000);//讓其自身旋轉(zhuǎn)m_rotationTimer = new QTimer(this);connect(m_rotationTimer, &QTimer::timeout, [=]() mutable{QScatterDataItem *ptr = &dataArray->first();for(int i = 0; i < dataArray->size(); i++){QQuaternion ruaternion = QQuaternion::fromAxisAndAngle(QVector3D(0.0f, 0.0f, 1.0f), qrand()%600);ptr->setRotation(ruaternion);ptr++;}item->dataProxy()->resetArray(dataArray);});m_rotationTimer->start(100); }Widget::~Widget() {qDebug() << "Widget::~Widget()";delete m_graph;delete ui; }

源碼打包下載地址：

https://github.com/fengfanchen/Qt/tree/master/3D%20move%20rotation

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